Fix arm perlasm trailing newline.

Change-Id: I1119fd8d5a0e03832644cb4b8128eed8ed9acb9e
Reviewed-on: https://boringssl-review.googlesource.com/6890
Reviewed-by: Adam Langley <agl@google.com>
diff --git a/crypto/perlasm/arm-xlate.pl b/crypto/perlasm/arm-xlate.pl
index 706fa70..1cdc2d9 100755
--- a/crypto/perlasm/arm-xlate.pl
+++ b/crypto/perlasm/arm-xlate.pl
@@ -165,6 +165,6 @@
     print "\n";
 }
 
-print "#endif" if ($flavour eq "linux32" || $flavour eq "linux64");
+print "#endif\n" if ($flavour eq "linux32" || $flavour eq "linux64");
 
 close STDOUT;